68141 2011-09-14 21:50:45 -0700 [n]stricteq code is bogus in JSValue32_64 JIT 2011-09-14 22:16:27 -0700 1 1 1 Unclassified WebKit JavaScriptCore 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 barraclough webkit-unassigned webkit.review.bot oldest_to_newest 467615 0 barraclough 2011-09-14 21:50:45 -0700 The code tries to check for both ints or cells, but this check also catches cases where values that are undefined, null, etc (probably was incorrectly assuming cell was the 2nd highest tag?). Also, there is no need not to handle int on the fast path. stricteq is just a case of comparing the payloads, if we: * handle cases of differing tags on a slow path * handle doubles a slow path * handle both-are-string on a slow path 467616 1 107453 barraclough 2011-09-14 21:52:32 -0700 Created attachment 107453 The patch 467619 2 webkit.review.bot 2011-09-14 21:55:26 -0700 Attachment 107453 did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/JavaScriptCore/ChangeLog', u'Source..." exit_code: 1 Source/JavaScriptCore/ChangeLog:14: Need whitespace between colon and description [changelog/filechangedescriptionwhitespace] [5] Source/JavaScriptCore/ChangeLog:15: Need whitespace between colon and description [changelog/filechangedescriptionwhitespace] [5] Source/JavaScriptCore/ChangeLog:16: Need whitespace between colon and description [changelog/filechangedescriptionwhitespace] [5] Total errors found: 3 in 2 files If any of these errors are false positives, please file a bug against check-webkit-style. 467622 3 107453 sam 2011-09-14 21:56:28 -0700 Comment on attachment 107453 The patch View in context: https://bugs.webkit.org/attachment.cgi?id=107453&action=review > Source/JavaScriptCore/jit/JITOpcodes32_64.cpp:1011 > + // Simply compare the patyloads. No patyloads here! Tyop! 467634 4 barraclough 2011-09-14 22:16:27 -0700 Fixed in r95168 107453 2011-09-14 21:52:32 -0700 2011-09-14 21:56:28 -0700 The patch 68141.patch text/plain 3437 barraclough SW5kZXg6IFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9DaGFuZ2VMb2cKPT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0gU291 cmNlL0phdmFTY3JpcHRDb3JlL0NoYW5nZUxvZwkocmV2aXNpb24gOTUxNjQpCisrKyBTb3VyY2Uv SmF2YVNjcmlwdENvcmUvQ2hhbmdlTG9nCSh3b3JraW5nIGNvcHkpCkBAIC0xLDMgKzEsMjUgQEAK KzIwMTEtMDktMTQgIEdhdmluIEJhcnJhY2xvdWdoICA8YmFycmFjbG91Z2hAYXBwbGUuY29tPgor CisgICAgICAgIFtuXXN0cmljdGVxIGNvZGUgaXMgYm9ndXMgaW4gSlNWYWx1ZTMyXzY0IEpJVAor ICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9NjgxNDEKKwor ICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICBUaGUgY29kZSB0 cmllcyB0byBjaGVjayBmb3IgYm90aCBpbnRzIG9yIGNlbGxzLCBidXQgdGhpcyBjaGVjayBhbHNv CisgICAgICAgIGNhdGNoZXMgY2FzZXMgd2hlcmUgdmFsdWVzIHRoYXQgYXJlIHVuZGVmaW5lZCwg bnVsbCwgZXRjIChwcm9iYWJseQorICAgICAgICB3YXMgaW5jb3JyZWN0bHkgYXNzdW1pbmcgY2Vs bCB3YXMgdGhlIDJuZCBoaWdoZXN0IHRhZz8pLgorCisgICAgICAgIEFsc28sIHRoZXJlIGlzIG5v IG5lZWQgbm90IHRvIGhhbmRsZSBpbnQgb24gdGhlIGZhc3QgcGF0aC4KKyAgICAgICAgc3RyaWN0 ZXEgaXMganVzdCBhIGNhc2Ugb2YgY29tcGFyaW5nIHRoZSBwYXlsb2FkcywgaWYgd2U6CisgICAg ICAgICAgICAqIGhhbmRsZSBjYXNlcyBvZiBkaWZmZXJpbmcgdGFncyBvbiBhIHNsb3cgcGF0aAor ICAgICAgICAgICAgKiBoYW5kbGUgZG91YmxlcyBhIHNsb3cgcGF0aAorICAgICAgICAgICAgKiBo YW5kbGUgYm90aC1hcmUtc3RyaW5nIG9uIGEgc2xvdyBwYXRoCisKKyAgICAgICAgKiBqaXQvSklU T3Bjb2RlczMyXzY0LmNwcDoKKyAgICAgICAgKEpTQzo6SklUOjpjb21waWxlT3BTdHJpY3RFcSk6 CisgICAgICAgIChKU0M6OkpJVDo6ZW1pdFNsb3dfb3Bfc3RyaWN0ZXEpOgorICAgICAgICAoSlND OjpKSVQ6OmVtaXRTbG93X29wX25zdHJpY3RlcSk6CisKIDIwMTEtMDktMTQgIEFsZXhpcyBNZW5h cmQgIDxhbGV4aXMubWVuYXJkQG9wZW5ib3NzYS5vcmc+CiAKICAgICAgICAgW1F0XSBSZXBsYWNl IFFUX0dDQ19YIGFzIHRoZXkgZG9uJ3QgZXhpc3QgaW4gUXQ1IGFueW1vcmUuCkluZGV4OiBTb3Vy Y2UvSmF2YVNjcmlwdENvcmUvaml0L0pJVE9wY29kZXMzMl82NC5jcHAKPT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PQotLS0g U291cmNlL0phdmFTY3JpcHRDb3JlL2ppdC9KSVRPcGNvZGVzMzJfNjQuY3BwCShyZXZpc2lvbiA5 NTA1NykKKysrIFNvdXJjZS9KYXZhU2NyaXB0Q29yZS9qaXQvSklUT3Bjb2RlczMyXzY0LmNwcAko d29ya2luZyBjb3B5KQpAQCAtOTk1LDIwICs5OTUsMjQgQEAgdm9pZCBKSVQ6OmNvbXBpbGVPcFN0 cmljdEVxKEluc3RydWN0aW9uKgogICAgIHVuc2lnbmVkIHNyYzEgPSBjdXJyZW50SW5zdHJ1Y3Rp b25bMl0udS5vcGVyYW5kOwogICAgIHVuc2lnbmVkIHNyYzIgPSBjdXJyZW50SW5zdHJ1Y3Rpb25b M10udS5vcGVyYW5kOwogCi0gICAgZW1pdExvYWRUYWcoc3JjMSwgcmVnVDApOwotICAgIGVtaXRM b2FkVGFnKHNyYzIsIHJlZ1QxKTsKKyAgICBlbWl0TG9hZDIoc3JjMSwgcmVnVDEsIHJlZ1QwLCBz cmMyLCByZWdUMywgcmVnVDIpOwogCi0gICAgLy8gSnVtcCB0byBhIHNsb3cgY2FzZSBpZiBlaXRo ZXIgb3BlcmFuZCBpcyBkb3VibGUsIG9yIGlmIGJvdGggb3BlcmFuZHMgYXJlCi0gICAgLy8gY2Vs bHMgYW5kL29yIEludDMycy4KLSAgICBtb3ZlKHJlZ1QwLCByZWdUMik7Ci0gICAgYW5kMzIocmVn VDEsIHJlZ1QyKTsKLSAgICBhZGRTbG93Q2FzZShicmFuY2gzMihCZWxvdywgcmVnVDIsIFRydXN0 ZWRJbW0zMihKU1ZhbHVlOjpMb3dlc3RUYWcpKSk7Ci0gICAgYWRkU2xvd0Nhc2UoYnJhbmNoMzIo QWJvdmVPckVxdWFsLCByZWdUMiwgVHJ1c3RlZEltbTMyKEpTVmFsdWU6OkNlbGxUYWcpKSk7Cisg ICAgLy8gQmFpbCBpZiB0aGUgdGFncyBkaWZmZXIsIG9yIGFyZSBkb3VibGUuCisgICAgYWRkU2xv d0Nhc2UoYnJhbmNoMzIoTm90RXF1YWwsIHJlZ1QxLCByZWdUMykpOworICAgIGFkZFNsb3dDYXNl KGJyYW5jaDMyKEJlbG93LCByZWdUMSwgVHJ1c3RlZEltbTMyKEpTVmFsdWU6Okxvd2VzdFRhZykp KTsKKworICAgIC8vIEp1bXAgdG8gYSBzbG93IGNhc2UgaWYgYm90aCBhcmUgc3RyaW5ncy4KKyAg ICBKdW1wIG5vdENlbGwgPSBicmFuY2gzMihOb3RFcXVhbCwgcmVnVDEsIFRydXN0ZWRJbW0zMihK U1ZhbHVlOjpDZWxsVGFnKSk7CisgICAgSnVtcCBmaXJzdE5vdFN0cmluZyA9IGJyYW5jaFB0cihO b3RFcXVhbCwgQWRkcmVzcyhyZWdUMCksIFRydXN0ZWRJbW1QdHIobV9nbG9iYWxEYXRhLT5qc1N0 cmluZ1ZQdHIpKTsKKyAgICBhZGRTbG93Q2FzZShicmFuY2hQdHIoRXF1YWwsIEFkZHJlc3MocmVn VDIpLCBUcnVzdGVkSW1tUHRyKG1fZ2xvYmFsRGF0YS0+anNTdHJpbmdWUHRyKSkpOworICAgIG5v dENlbGwubGluayh0aGlzKTsKKyAgICBmaXJzdE5vdFN0cmluZy5saW5rKHRoaXMpOwogCisgICAg Ly8gU2ltcGx5IGNvbXBhcmUgdGhlIHBhdHlsb2Fkcy4KICAgICBpZiAodHlwZSA9PSBPcFN0cmlj dEVxKQotICAgICAgICBjb21wYXJlMzIoRXF1YWwsIHJlZ1QwLCByZWdUMSwgcmVnVDApOworICAg ICAgICBjb21wYXJlMzIoRXF1YWwsIHJlZ1QwLCByZWdUMiwgcmVnVDApOwogICAgIGVsc2UKLSAg ICAgICAgY29tcGFyZTMyKE5vdEVxdWFsLCByZWdUMCwgcmVnVDEsIHJlZ1QwKTsKKyAgICAgICAg Y29tcGFyZTMyKE5vdEVxdWFsLCByZWdUMCwgcmVnVDIsIHJlZ1QwKTsKIAogICAgIGVtaXRTdG9y ZUJvb2woZHN0LCByZWdUMCk7CiB9CkBAIC0xMDI2LDYgKzEwMzAsNyBAQCB2b2lkIEpJVDo6ZW1p dFNsb3dfb3Bfc3RyaWN0ZXEoSW5zdHJ1Y3RpCiAKICAgICBsaW5rU2xvd0Nhc2UoaXRlcik7CiAg ICAgbGlua1Nsb3dDYXNlKGl0ZXIpOworICAgIGxpbmtTbG93Q2FzZShpdGVyKTsKIAogICAgIEpJ VFN0dWJDYWxsIHN0dWJDYWxsKHRoaXMsIGN0aV9vcF9zdHJpY3RlcSk7CiAgICAgc3R1YkNhbGwu YWRkQXJndW1lbnQoc3JjMSk7CkBAIC0xMDQ2LDYgKzEwNTEsNyBAQCB2b2lkIEpJVDo6ZW1pdFNs b3dfb3BfbnN0cmljdGVxKEluc3RydWN0CiAKICAgICBsaW5rU2xvd0Nhc2UoaXRlcik7CiAgICAg bGlua1Nsb3dDYXNlKGl0ZXIpOworICAgIGxpbmtTbG93Q2FzZShpdGVyKTsKIAogICAgIEpJVFN0 dWJDYWxsIHN0dWJDYWxsKHRoaXMsIGN0aV9vcF9uc3RyaWN0ZXEpOwogICAgIHN0dWJDYWxsLmFk ZEFyZ3VtZW50KHNyYzEpOwo=